Comment # 5 on bug 66452 from Eugene Shalygin

Since commit     5b4e2db12d9b45e898a8eb6599d928504ffd30c3  disabled VC-1
simple/main profiles for UVD 3, maybe it might have sense to disable it for UVD
2 also? VC-1 advanced profile seems to be working fine, without hangs.